/* * Copyright (C) 2009 Samsung Electronics Ltd. * Jaswinder Singh <jassi.brar@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __SPI_S3C64XX_H #define __SPI_S3C64XX_H #include <linux/dmaengine.h> struct platform_device; /** * struct s3c64xx_spi_csinfo - ChipSelect description * @fb_delay: Slave specific feedback delay. * Refer to FB_CLK_SEL register definition in SPI chapter. * @line: Custom 'identity' of the CS line. * * This is per SPI-Slave Chipselect information. * Allocate and initialize one in machine init code and make the * spi_board_info.controller_data point to it. */ struct s3c64xx_spi_csinfo { u8 fb_delay; unsigned line; }; /** * struct s3c64xx_spi_info - SPI Controller defining structure * @src_clk_nr: Clock source index for the CLK_CFG[SPI_CLKSEL] field. * @num_cs: Number of CS this controller emulates. * @cfg_gpio: Configure pins for this SPI controller. */ struct s3c64xx_spi_info { int src_clk_nr; int num_cs; int (*cfg_gpio)(void); dma_filter_fn filter; void *dma_tx; void *dma_rx; }; /** * s3c64xx_spi_set_platdata - SPI Controller configure callback by the board * initialization code. * @cfg_gpio: Pointer to gpio setup function. * @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks. * @num_cs: Number of elements in the 'cs' array. * * Call this from machine init code for each SPI Controller that * has some chips attached to it. */ extern void s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, int num_cs); extern void s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, int num_cs); extern void s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, int num_cs); /* defined by architecture to configure gpio */ extern int s3c64xx_spi0_cfg_gpio(void); extern int s3c64xx_spi1_cfg_gpio(void); extern int s3c64xx_spi2_cfg_gpio(void); extern struct s3c64xx_spi_info s3c64xx_spi0_pdata; extern struct s3c64xx_spi_info s3c64xx_spi1_pdata; extern struct s3c64xx_spi_info s3c64xx_spi2_pdata; #endif /*__SPI_S3C64XX_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| jassi brar | jassi brar | 69 | 43.67% | 5 | 31.25% |
| padmavathi venna | padmavathi venna | 40 | 25.32% | 3 | 18.75% |
| thomas abraham | thomas abraham | 28 | 17.72% | 4 | 25.00% |
| arnd bergmann | arnd bergmann | 14 | 8.86% | 2 | 12.50% |
| sachin kamat | sachin kamat | 4 | 2.53% | 1 | 6.25% |
| mark brown | mark brown | 3 | 1.90% | 1 | 6.25% |
| Total | 158 | 100.00% | 16 | 100.00% |